Camera Shy

Unless your surveillance cameras are wired directly to a video board, they are notoriously insecure. We show you how to keep your cameras from being compromised.

In issue 121, Marcel Gagné covered the basics of building a video surveillance system using Linux and Kmotion. But, to build a really secure, scalable (with dozens or hundreds of cameras) system that can’t be compromised easily by attackers, you’ll need to do more.

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The new PiCam camera for the Raspberry Pi delivers image data with very little overhead, making it ideal for video surveillance applications. We find the bumps in the road you'll encounter and show you how to smooth them out with a few Linux commands and pipes.

Rather than stare at boring surveillance videos, in which nothing happens 90 percent of the time, Mike Schilli tries the OpenCV image recognition software, which automatically extracts the most exciting action sequences.